// main setup include
#include <algorithm>
#include <iostream>
#include <map>
#include <set>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <vector>

//#include <bits/stdc++.h>
using namespace std;

#define DEBUG_
#ifdef DEBUG_
#define PF(...) printf(__VA_ARGS__)
#define FRE(x) freopen("d:/oj/" #x ".in", "r", stdin)
//,freopen("d:/oj/"#x".out","w",stdout)
#define FREC fclose(stdin), fclose(stdout);
#else
#define PF(...)
#define FRE(x)
#define FREC
#endif

int main() {
  std::toupper('c');
  return 0;
}
